Monograph of genus Crophius StaL 



By Edward P. Van Duzee. 



The following study of the Hemipterous genus Crophius is 

 based upon the material in my own collection, a fine series re- 

 ceived from Mr. Otto Heidemann and from the National Museum, 

 and a few California specimens from the Cornell University collec- 

 tion. I am under special obligations to Mr. Heidemann whose 

 exceptionally fine series added three species before unknown to 

 me. He has also compared for me specimens of scabrosus with 

 Dr. Uhler's type and thus settled the identity of the species 

 which I could not have done from the published description 

 alone. Dr. Distant has been so good as to compare the same 

 species with the type of his Mayana costata from Mexico and 

 has pronounced them distinct although closely allied species. 

 Mayana costata and scabrosus are not characteristic of genus 

 Cropliins and I have felt much inclined to retain Mayana as a 

 distinct genus, but if we do this we must also separate angus- 

 tatus which is even more distinct, so it seems best on the whole 

 to list them all in the old genus Crophius placing Mayana as a 

 synonym as Dr. Berg has already done with his genus Aneuro- 

 phorus 



This genus is largely western in its distribution. Our only 

 eastern species, disconotus, has been taken but rarely by me and 

 I have seen but few examples in other collections. It may per- 

 haps be found in numbers in certain favorable locations as has 

 already been done in the case of at least two of our other species. 

 Mr. J. C. Bradley took scabrosus in great numbers at Milford, 

 Utah, on small juniper trees and Mr. Heidemann writes me that 

 Messrs. Barber and Schwarz found ScJiwarzi in great numbers 

 in the folds of a window curtain at Hot Springs, Arizona. 



The food plants of our native species of Cropliius excepting 

 disconotus seem to • be unknown; that species I have taken on 

 three different occasions and always on the golden rod which 

 seems to be its natural habitat. 



